periodic table, metals and non-metals

• What particles are found in the nucleus?

  Protons and neutrons
• What charge does a neutron have?

  Neutral
• What is the mass of an electron?

  Very small
• What does atomic number tell you?

  Number of protons in an atom
• Which element has an atomic number of 20?

  Calcium
• What is the periodic table?

  A list of all known elements
• How are elements arranged in the periodic table?

  According to similarities in their properties
• Where are metals found in the periodic table?

  Left and bottom
• Where are non-metals found in the periodic table?

  Right and top
• What is the order of elements in the periodic table?

  Atomic number
• What are columns of elements called in the periodic table?

  Groups
• What are rows of elements called in the periodic table?

  Periods
• What is the difference between a group and a period in the periodic table?

  • A group is a column of elements.
  • A period is a row of elements.
• Name a metal from the provided list.

  Copper
• Name a non-metal from the provided list.

  Oxygen
• What are the properties of metals?

  • Shiny (Lustrous)
  • High melting and boiling points
  • Good conductors of electricity
  • Good conductors of heat
  • Malleable and ductile
  • High density
• What are the properties of non-metals?

  • Dull
  • Low melting and boiling points
  • Poor conductors of electricity
  • Poor conductors of heat
  • Brittle
  • Low density
• How were elements arranged in Mendeleev’s periodic table?

  By increasing atomic mass
• Is there a pattern when dividing elements into metals and non-metals?

  Yes, they are arranged in specific locations
• How is the modern periodic table arranged?

  In order of increasing atomic number
• Name a metal in the same group as lithium.

  Sodium
• Name a non-metal in the same period as magnesium.

  Aluminium
• What is the atomic number of lithium?

  3
• What is the atomic number of magnesium?

  12
• What is the atomic number of sodium?

  11
• What is the atomic number of calcium?

  20
• What is the atomic number of oxygen?

  8
• What is the atomic number of carbon?

  6
• What is the atomic number of nitrogen?

  7
• What is the atomic number of fluorine?

  9
• What is the atomic number of neon?

  10
• What is the atomic number of aluminium?

  13
• What is the atomic number of copper?

  29
• What is the atomic number of iron?

  26
• What is the atomic number of gold?

  79
• What is the atomic number of mercury?

  80
• What is the atomic number of sulphur?

  16
• What is the atomic number of bromine?

  35
• What is the atomic number of chromium?

  24
• What is the atomic number of helium?

  2